logs.hpp

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// Copyright (C) 2024 Miguel Ángel González Santamarta
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
#ifndef YASMIN__LOGS_HPP
#define YASMIN__LOGS_HPP
 
#include <cstdarg>
#include <cstdio>
#include <cstring>
 
namespace yasmin {
 
typedef void (*LogFunction)(const char *file, const char *function, int line,
                            const char *text, ...);
 
// Declare function pointers for logging at different severity levels
extern LogFunction log_error; 
extern LogFunction log_warn;  
extern LogFunction log_info;  
extern LogFunction log_debug; 
 
inline const char *extract_filename(const char *path) {
  const char *filename = std::strrchr(path, '/');
  if (!filename) {
    filename = std::strrchr(path, '\\'); // handle Windows-style paths
  }
  return filename ? filename + 1 : path;
}
 
// Macros for logging with automatic file and function information
#define YASMIN_LOG_ERROR(text, ...)                                            \
  yasmin::log_error(extract_filename(__FILE__), __FUNCTION__, __LINE__, text,  \
                    ##__VA_ARGS__)
#define YASMIN_LOG_WARN(text, ...)                                             \
  yasmin::log_warn(extract_filename(__FILE__), __FUNCTION__, __LINE__, text,   \
                   ##__VA_ARGS__)
#define YASMIN_LOG_INFO(text, ...)                                             \
  yasmin::log_info(extract_filename(__FILE__), __FUNCTION__, __LINE__, text,   \
                   ##__VA_ARGS__)
#define YASMIN_LOG_DEBUG(text, ...)                                            \
  yasmin::log_debug(extract_filename(__FILE__), __FUNCTION__, __LINE__, text,  \
                    ##__VA_ARGS__)
 
void set_loggers(LogFunction error, LogFunction warn, LogFunction info,
                 LogFunction debug);
 
void set_default_loggers();
 
} // namespace yasmin
 
#endif // YASMIN__LOGS_HPP